./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f51fd7a7e803b337407ebecb084bc416ae9c8b7a3d33ff72a0e0702d21471e83 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 18:22:03,925 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:22:03,973 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:22:03,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:22:03,978 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:22:03,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:22:03,992 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:22:03,992 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:22:03,993 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:22:03,993 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:22:03,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:22:03,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:22:03,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:22:03,994 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:22:03,994 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:22:03,994 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:22:03,994 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:22:03,994 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:22:03,994 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:22:03,994 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:22:03,994 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:22:03,994 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:22:03,994 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:22:03,994 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:22:03,994 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:22:03,994 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:22:03,994 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:22:03,994 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:22:03,995 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:22:03,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:22:03,995 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:22:03,995 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:22:03,995 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:22:03,995 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:22:03,995 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:22:03,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:22:03,995 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:22:03,995 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:22:03,995 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:22:03,995 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:22:03,995 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f51fd7a7e803b337407ebecb084bc416ae9c8b7a3d33ff72a0e0702d21471e83 [2025-03-08 18:22:04,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:22:04,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:22:04,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:22:04,202 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:22:04,202 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:22:04,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2025-03-08 18:22:05,348 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8de45202f/8119b5ac221f4446852d0d4726c2b385/FLAG26fa2cc7b [2025-03-08 18:22:05,782 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:22:05,783 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2025-03-08 18:22:05,825 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8de45202f/8119b5ac221f4446852d0d4726c2b385/FLAG26fa2cc7b [2025-03-08 18:22:05,840 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8de45202f/8119b5ac221f4446852d0d4726c2b385 [2025-03-08 18:22:05,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:22:05,843 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:22:05,844 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:22:05,844 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:22:05,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:22:05,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:22:05" (1/1) ... [2025-03-08 18:22:05,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f3a095d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:22:05, skipping insertion in model container [2025-03-08 18:22:05,850 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:22:05" (1/1) ... [2025-03-08 18:22:05,928 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:22:06,877 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i[221005,221018] [2025-03-08 18:22:06,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:22:06,964 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:22:07,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4501] [2025-03-08 18:22:07,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4508] [2025-03-08 18:22:07,023 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; bts %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4515-4516] [2025-03-08 18:22:07,024 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".section .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.previous\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4523-4524] [2025-03-08 18:22:07,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/anthill/stuff/tacas-comp/inst/current/envs/linux-3.0.1/linux-3.0.1/arch/x86/include/asm/paravirt.h"), "i" (853), "i" (12UL)); [4560-4561] [2025-03-08 18:22:07,025 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4566-4568] [2025-03-08 18:22:07,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %1,%0": "=q" (ret): "m" (*((unsigned char volatile *)addr)): "memory"); [4616] [2025-03-08 18:22:07,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %1,%0": "=r" (ret): "m" (*((unsigned short volatile *)addr)): "memory"); [4623] [2025-03-08 18:22:07,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %1,%0": "=r" (ret): "m" (*((unsigned int volatile *)addr)): "memory"); [4630] [2025-03-08 18:22:07,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movb %0,%1": : "q" (val), "m" (*((unsigned char volatile *)addr)): "memory"); [4637] [2025-03-08 18:22:07,027 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movw %0,%1": : "r" (val), "m" (*((unsigned short volatile *)addr)): "memory"); [4644] [2025-03-08 18:22:07,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("movl %0,%1": : "r" (val), "m" (*((unsigned int volatile *)addr)): "memory"); [4651] [2025-03-08 18:22:07,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outb %b0, %w1": : "a" (value), "Nd" (port)); [4692] [2025-03-08 18:22:07,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inb %w1, %b0": "=a" (value): "Nd" (port)); [4699] [2025-03-08 18:22:07,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outw %w0, %w1": : "a" (value), "Nd" (port)); [4706] [2025-03-08 18:22:07,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("outl %0, %w1": : "a" (value), "Nd" (port)); [4713] [2025-03-08 18:22:07,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("inl %w1, %0": "=a" (value): "Nd" (port)); [4720] [2025-03-08 18:22:07,187 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-net-wan-farsync.ko.cil.out.i[221005,221018] [2025-03-08 18:22:07,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:22:07,333 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:22:07,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:22:07 WrapperNode [2025-03-08 18:22:07,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:22:07,336 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:22:07,336 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:22:07,336 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:22:07,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:22:07" (1/1) ... [2025-03-08 18:22:07,388 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:22:07" (1/1) ... [2025-03-08 18:22:07,470 INFO L138 Inliner]: procedures = 200, calls = 1603, calls flagged for inlining = 99, calls inlined = 85, statements flattened = 3643 [2025-03-08 18:22:07,471 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:22:07,471 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:22:07,471 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:22:07,471 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:22:07,477 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:22:07" (1/1) ... [2025-03-08 18:22:07,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:22:07" (1/1) ... [2025-03-08 18:22:07,509 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:22:07" (1/1) ... [2025-03-08 18:22:07,670 INFO L175 MemorySlicer]: Split 814 memory accesses to 18 slices as follows [2, 8, 7, 3, 8, 33, 5, 1, 34, 53, 1, 8, 469, 36, 40, 93, 5, 8]. 58 percent of accesses are in the largest equivalence class. The 123 initializations are split as follows [2, 8, 0, 1, 8, 32, 5, 0, 32, 0, 1, 7, 14, 0, 0, 0, 5, 8]. The 293 writes are split as follows [0, 0, 0, 1, 0, 0, 0, 0, 2, 3, 0, 0, 188, 8, 40, 51, 0, 0]. [2025-03-08 18:22:07,671 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:22:07" (1/1) ... [2025-03-08 18:22:07,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:22:07" (1/1) ... [2025-03-08 18:22:07,766 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:22:07" (1/1) ... [2025-03-08 18:22:07,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:22:07" (1/1) ... [2025-03-08 18:22:07,793 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:22:07" (1/1) ... [2025-03-08 18:22:07,805 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:22:07" (1/1) ... [2025-03-08 18:22:07,831 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:22:07,833 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:22:07,833 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:22:07,833 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:22:07,834 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:22:07" (1/1) ... [2025-03-08 18:22:07,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:22:07,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:22:07,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 18:22:07,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 18:22:07,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-08 18:22:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-08 18:22:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-08 18:22:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-08 18:22:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-08 18:22:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-08 18:22:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-08 18:22:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-08 18:22:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2025-03-08 18:22:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2025-03-08 18:22:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2025-03-08 18:22:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2025-03-08 18:22:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2025-03-08 18:22:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2025-03-08 18:22:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2025-03-08 18:22:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2025-03-08 18:22:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2025-03-08 18:22:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2025-03-08 18:22:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 18:22:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 18:22:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 18:22:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 18:22:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 18:22:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 18:22:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 18:22:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 18:22:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 18:22:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-08 18:22:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-08 18:22:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-08 18:22:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2025-03-08 18:22:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2025-03-08 18:22:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2025-03-08 18:22:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2025-03-08 18:22:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2025-03-08 18:22:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2025-03-08 18:22:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2025-03-08 18:22:07,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2025-03-08 18:22:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2025-03-08 18:22:07,885 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2025-03-08 18:22:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2025-03-08 18:22:07,885 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2025-03-08 18:22:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2025-03-08 18:22:07,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2025-03-08 18:22:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2025-03-08 18:22:07,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2025-03-08 18:22:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2025-03-08 18:22:07,886 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2025-03-08 18:22:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2025-03-08 18:22:07,886 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2025-03-08 18:22:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2025-03-08 18:22:07,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2025-03-08 18:22:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2025-03-08 18:22:07,886 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2025-03-08 18:22:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2025-03-08 18:22:07,886 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2025-03-08 18:22:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2025-03-08 18:22:07,886 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2025-03-08 18:22:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2025-03-08 18:22:07,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2025-03-08 18:22:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2025-03-08 18:22:07,886 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2025-03-08 18:22:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 18:22:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 18:22:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 18:22:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 18:22:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 18:22:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 18:22:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 18:22:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 18:22:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 18:22:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 18:22:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 18:22:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 18:22:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-08 18:22:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2025-03-08 18:22:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2025-03-08 18:22:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2025-03-08 18:22:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2025-03-08 18:22:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2025-03-08 18:22:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2025-03-08 18:22:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2025-03-08 18:22:07,887 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2025-03-08 18:22:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2025-03-08 18:22:07,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2025-03-08 18:22:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2025-03-08 18:22:07,887 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2025-03-08 18:22:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2025-03-08 18:22:07,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2025-03-08 18:22:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 18:22:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2025-03-08 18:22:07,887 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2025-03-08 18:22:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 18:22:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 18:22:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 18:22:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 18:22:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 18:22:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 18:22:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 18:22:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 18:22:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-08 18:22:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-08 18:22:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-08 18:22:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-08 18:22:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2025-03-08 18:22:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2025-03-08 18:22:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2025-03-08 18:22:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2025-03-08 18:22:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2025-03-08 18:22:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2025-03-08 18:22:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2025-03-08 18:22:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2025-03-08 18:22:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2025-03-08 18:22:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2025-03-08 18:22:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2025-03-08 18:22:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2025-03-08 18:22:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2025-03-08 18:22:07,889 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2025-03-08 18:22:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2025-03-08 18:22:07,889 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2025-03-08 18:22:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_type_trans [2025-03-08 18:22:07,890 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_type_trans [2025-03-08 18:22:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2025-03-08 18:22:07,890 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2025-03-08 18:22:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2025-03-08 18:22:07,890 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2025-03-08 18:22:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure farsync_type_trans [2025-03-08 18:22:07,890 INFO L138 BoogieDeclarations]: Found implementation of procedure farsync_type_trans [2025-03-08 18:22:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-08 18:22:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-08 18:22:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-08 18:22:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-08 18:22:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-08 18:22:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-08 18:22:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-08 18:22:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-08 18:22:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2025-03-08 18:22:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2025-03-08 18:22:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2025-03-08 18:22:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2025-03-08 18:22:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2025-03-08 18:22:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2025-03-08 18:22:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2025-03-08 18:22:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2025-03-08 18:22:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2025-03-08 18:22:07,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2025-03-08 18:22:07,894 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2025-03-08 18:22:07,894 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2025-03-08 18:22:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2025-03-08 18:22:07,895 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2025-03-08 18:22:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2025-03-08 18:22:07,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2025-03-08 18:22:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 18:22:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 18:22:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 18:22:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 18:22:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 18:22:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 18:22:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 18:22:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 18:22:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 18:22:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 18:22:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 18:22:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-08 18:22:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2025-03-08 18:22:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2025-03-08 18:22:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2025-03-08 18:22:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2025-03-08 18:22:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2025-03-08 18:22:07,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2025-03-08 18:22:07,896 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2025-03-08 18:22:07,896 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#10 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#11 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#12 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#13 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#14 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#15 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#16 [2025-03-08 18:22:07,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#17 [2025-03-08 18:22:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-08 18:22:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-08 18:22:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-08 18:22:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-08 18:22:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-08 18:22:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-08 18:22:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-08 18:22:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-08 18:22:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2025-03-08 18:22:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2025-03-08 18:22:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#10 [2025-03-08 18:22:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#11 [2025-03-08 18:22:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#12 [2025-03-08 18:22:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#13 [2025-03-08 18:22:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#14 [2025-03-08 18:22:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#15 [2025-03-08 18:22:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#16 [2025-03-08 18:22:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#17 [2025-03-08 18:22:07,897 INFO L130 BoogieDeclarations]: Found specification of procedure fst_issue_cmd [2025-03-08 18:22:07,897 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_issue_cmd [2025-03-08 18:22:07,900 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2025-03-08 18:22:07,900 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2025-03-08 18:22:07,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 18:22:07,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 18:22:07,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 18:22:07,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 18:22:07,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 18:22:07,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 18:22:07,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 18:22:07,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 18:22:07,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 18:22:07,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 18:22:07,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 18:22:07,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-08 18:22:07,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-03-08 18:22:07,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-03-08 18:22:07,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-03-08 18:22:07,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-03-08 18:22:07,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-03-08 18:22:07,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2025-03-08 18:22:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2025-03-08 18:22:07,902 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2025-03-08 18:22:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2025-03-08 18:22:07,902 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2025-03-08 18:22:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure fst_disable_intr [2025-03-08 18:22:07,902 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_disable_intr [2025-03-08 18:22:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:22:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2025-03-08 18:22:07,902 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2025-03-08 18:22:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:22:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure fst_cpureset [2025-03-08 18:22:07,902 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_cpureset [2025-03-08 18:22:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 18:22:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 18:22:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 18:22:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 18:22:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 18:22:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 18:22:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 18:22:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 18:22:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2025-03-08 18:22:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure fst_process_rx_status [2025-03-08 18:22:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_process_rx_status [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure fst_q_work_item [2025-03-08 18:22:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_q_work_item [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2025-03-08 18:22:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2025-03-08 18:22:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2025-03-08 18:22:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2025-03-08 18:22:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2025-03-08 18:22:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2025-03-08 18:22:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2025-03-08 18:22:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2025-03-08 18:22:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure fst_clear_intr [2025-03-08 18:22:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure fst_clear_intr [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-03-08 18:22:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-03-08 18:22:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2025-03-08 18:22:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2025-03-08 18:22:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2025-03-08 18:22:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2025-03-08 18:22:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2025-03-08 18:22:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2025-03-08 18:22:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2025-03-08 18:22:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2025-03-08 18:22:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2025-03-08 18:22:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:22:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:22:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2025-03-08 18:22:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2025-03-08 18:22:08,418 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:22:08,421 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:22:08,848 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8174: havoc netpoll_trap_#t~nondet894#1; [2025-03-08 18:22:08,887 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4531: havoc constant_test_bit_#t~mem1#1;havoc constant_test_bit_#t~bitwise2#1; [2025-03-08 18:22:09,265 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8170: havoc #t~nondet893; [2025-03-08 18:22:09,270 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8141: havoc ioremap_nocache_#t~ret890#1.base, ioremap_nocache_#t~ret890#1.offset; [2025-03-08 18:22:09,278 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8206: havoc #t~nondet899; [2025-03-08 18:22:09,280 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8092: havoc #t~nondet882; [2025-03-08 18:22:09,296 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5058: havoc #t~mem123.base, #t~mem123.offset; [2025-03-08 18:22:09,303 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8084: havoc #t~nondet880; [2025-03-08 18:22:09,310 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L4816: havoc #t~mem76.base, #t~mem76.offset; [2025-03-08 18:22:09,347 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8218: havoc schedule_timeout_uninterruptible_#t~nondet902#1; [2025-03-08 18:22:09,355 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8088: havoc _copy_to_user_#t~nondet881#1; [2025-03-08 18:22:09,412 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8182: havoc pci_bus_write_config_byte_#t~nondet896#1; [2025-03-08 18:22:09,413 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8178: havoc pci_bus_read_config_byte_#t~nondet895#1; [2025-03-08 18:22:09,413 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L5354: call ULTIMATE.dealloc(~#interrupt_line_register~0#1.base, ~#interrupt_line_register~0#1.offset);havoc ~#interrupt_line_register~0#1.base, ~#interrupt_line_register~0#1.offset; [2025-03-08 18:22:09,443 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8134: havoc #t~nondet888; [2025-03-08 18:22:15,517 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6776: call ULTIMATE.dealloc(fst_get_iface_~#sync~1#1.base, fst_get_iface_~#sync~1#1.offset);havoc fst_get_iface_~#sync~1#1.base, fst_get_iface_~#sync~1#1.offset; [2025-03-08 18:22:15,517 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8098: havoc alloc_hdlcdev_#t~ret883#1.base, alloc_hdlcdev_#t~ret883#1.offset; [2025-03-08 18:22:15,517 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6912: assume false; [2025-03-08 18:22:15,517 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6912: assume !false;call ULTIMATE.dealloc(fst_ioctl_~#wrthdr~0#1.base, fst_ioctl_~#wrthdr~0#1.offset);havoc fst_ioctl_~#wrthdr~0#1.base, fst_ioctl_~#wrthdr~0#1.offset;call ULTIMATE.dealloc(fst_ioctl_~#info~0#1.base, fst_ioctl_~#info~0#1.offset);havoc fst_ioctl_~#info~0#1.base, fst_ioctl_~#info~0#1.offset; [2025-03-08 18:22:15,517 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7441: call ULTIMATE.dealloc(fst_add_one_~#__key~0#1.base, fst_add_one_~#__key~0#1.offset);havoc fst_add_one_~#__key~0#1.base, fst_add_one_~#__key~0#1.offset; [2025-03-08 18:22:15,517 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8102: havoc capable_#t~nondet884#1; [2025-03-08 18:22:15,517 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7052: assume false; [2025-03-08 18:22:15,518 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7052: assume !false; [2025-03-08 18:22:15,518 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6656: call ULTIMATE.dealloc(fst_set_iface_~#sync~0#1.base, fst_set_iface_~#sync~0#1.offset);havoc fst_set_iface_~#sync~0#1.base, fst_set_iface_~#sync~0#1.offset; [2025-03-08 18:22:15,518 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7853: assume false; [2025-03-08 18:22:15,518 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7853: assume !false; [2025-03-08 18:22:15,518 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8121: havoc dev_set_drvdata_#t~nondet887#1; [2025-03-08 18:22:15,518 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6800: assume false; [2025-03-08 18:22:15,519 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6800: assume !false; [2025-03-08 18:22:15,519 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8189: havoc pci_enable_device_#t~nondet897#1; [2025-03-08 18:22:15,519 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8196: havoc pci_request_regions_#t~nondet898#1; [2025-03-08 18:22:15,519 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6349: assume false; [2025-03-08 18:22:15,519 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6349: assume !false; [2025-03-08 18:22:15,519 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8067: havoc __kmalloc_#t~ret878#1.base, __kmalloc_#t~ret878#1.offset; [2025-03-08 18:22:15,519 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8138: havoc hdlc_open_#t~nondet889#1; [2025-03-08 18:22:15,519 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6751: assume false; [2025-03-08 18:22:15,519 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6751: assume !false; [2025-03-08 18:22:15,520 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8074: havoc __pci_register_driver_#t~nondet879#1; [2025-03-08 18:22:15,520 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8210: havoc register_netdev_#t~nondet900#1; [2025-03-08 18:22:15,520 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8214: havoc request_threaded_irq_#t~nondet901#1; [2025-03-08 18:22:15,520 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6699: assume false; [2025-03-08 18:22:15,520 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6699: assume !false; [2025-03-08 18:22:15,520 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8154: havoc ldv_undefined_int_#t~nondet891#1; [2025-03-08 18:22:15,520 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8157: havoc memdup_user_#t~ret892#1.base, memdup_user_#t~ret892#1.offset; [2025-03-08 18:22:15,520 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7762: call ULTIMATE.dealloc(fst_init_~#__key~1#1.base, fst_init_~#__key~1#1.offset);havoc fst_init_~#__key~1#1.base, fst_init_~#__key~1#1.offset; [2025-03-08 18:22:15,819 INFO L? ?]: Removed 1464 outVars from TransFormulas that were not future-live. [2025-03-08 18:22:15,819 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:22:15,875 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:22:15,875 INFO L336 CfgBuilder]: Removed 1 assume(true) statements. [2025-03-08 18:22:15,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:22:15 BoogieIcfgContainer [2025-03-08 18:22:15,877 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:22:15,879 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:22:15,879 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:22:15,883 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:22:15,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:22:05" (1/3) ... [2025-03-08 18:22:15,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6030c50e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:22:15, skipping insertion in model container [2025-03-08 18:22:15,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:22:07" (2/3) ... [2025-03-08 18:22:15,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6030c50e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:22:15, skipping insertion in model container [2025-03-08 18:22:15,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:22:15" (3/3) ... [2025-03-08 18:22:15,884 INFO L128 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-net-wan-farsync.ko.cil.out.i [2025-03-08 18:22:15,896 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:22:15,897 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG module_get_put-drivers-net-wan-farsync.ko.cil.out.i that has 75 procedures, 1263 locations, 1 initial locations, 37 loop locations, and 1 error locations. [2025-03-08 18:22:15,958 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:22:15,967 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7ca6b1b9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:22:15,969 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 18:22:15,975 INFO L276 IsEmpty]: Start isEmpty. Operand has 1178 states, 835 states have (on average 1.302994011976048) internal successors, (1088), 843 states have internal predecessors, (1088), 284 states have call successors, (284), 57 states have call predecessors, (284), 57 states have return successors, (284), 284 states have call predecessors, (284), 284 states have call successors, (284) [2025-03-08 18:22:15,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-03-08 18:22:15,979 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:22:15,979 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:22:15,979 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:22:15,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:22:15,982 INFO L85 PathProgramCache]: Analyzing trace with hash -278295449, now seen corresponding path program 1 times [2025-03-08 18:22:15,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:22:15,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920253850] [2025-03-08 18:22:15,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:22:15,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:22:17,616 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-08 18:22:17,806 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-08 18:22:17,806 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:22:17,806 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:22:18,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 18:22:18,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:22:18,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920253850] [2025-03-08 18:22:18,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920253850] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:22:18,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 18:22:18,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-08 18:22:18,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738373521] [2025-03-08 18:22:18,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:22:18,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 18:22:18,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:22:18,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 18:22:18,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 18:22:18,251 INFO L87 Difference]: Start difference. First operand has 1178 states, 835 states have (on average 1.302994011976048) internal successors, (1088), 843 states have internal predecessors, (1088), 284 states have call successors, (284), 57 states have call predecessors, (284), 57 states have return successors, (284), 284 states have call predecessors, (284), 284 states have call successors, (284) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-08 18:22:18,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:22:18,672 INFO L93 Difference]: Finished difference Result 2351 states and 3321 transitions. [2025-03-08 18:22:18,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 18:22:18,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2025-03-08 18:22:18,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:22:18,688 INFO L225 Difference]: With dead ends: 2351 [2025-03-08 18:22:18,688 INFO L226 Difference]: Without dead ends: 1174 [2025-03-08 18:22:18,696 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-08 18:22:18,698 INFO L435 NwaCegarLoop]: 1626 mSDtfsCounter, 1 mSDsluCounter, 1623 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3249 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 18:22:18,698 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3249 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 18:22:18,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2025-03-08 18:22:18,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 1173. [2025-03-08 18:22:18,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1173 states, 832 states have (on average 1.2956730769230769) internal successors, (1078), 838 states have internal predecessors, (1078), 284 states have call successors, (284), 57 states have call predecessors, (284), 56 states have return successors, (282), 282 states have call predecessors, (282), 282 states have call successors, (282) [2025-03-08 18:22:18,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 1644 transitions. [2025-03-08 18:22:18,818 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 1644 transitions. Word has length 21 [2025-03-08 18:22:18,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:22:18,818 INFO L471 AbstractCegarLoop]: Abstraction has 1173 states and 1644 transitions. [2025-03-08 18:22:18,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-08 18:22:18,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1644 transitions. [2025-03-08 18:22:18,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-03-08 18:22:18,819 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:22:18,819 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:22:18,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-08 18:22:18,819 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:22:18,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:22:18,820 INFO L85 PathProgramCache]: Analyzing trace with hash -2057726935, now seen corresponding path program 1 times [2025-03-08 18:22:18,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:22:18,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456502029] [2025-03-08 18:22:18,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:22:18,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:22:20,258 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-08 18:22:20,319 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-08 18:22:20,320 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:22:20,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:22:20,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 18:22:20,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:22:20,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456502029] [2025-03-08 18:22:20,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456502029] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:22:20,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655942167] [2025-03-08 18:22:20,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:22:20,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:22:20,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:22:20,645 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:22:20,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 18:22:22,468 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-03-08 18:22:22,708 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-03-08 18:22:22,709 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:22:22,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:22:22,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 1977 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-08 18:22:22,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:22:22,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-08 18:22:22,989 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:22:22,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655942167] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:22:22,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:22:22,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-03-08 18:22:22,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384055313] [2025-03-08 18:22:22,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:22:22,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-08 18:22:22,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:22:22,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-08 18:22:22,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-08 18:22:22,991 INFO L87 Difference]: Start difference. First operand 1173 states and 1644 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-08 18:22:23,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:22:23,419 INFO L93 Difference]: Finished difference Result 3491 states and 4898 transitions. [2025-03-08 18:22:23,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-08 18:22:23,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2025-03-08 18:22:23,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:22:23,432 INFO L225 Difference]: With dead ends: 3491 [2025-03-08 18:22:23,432 INFO L226 Difference]: Without dead ends: 2324 [2025-03-08 18:22:23,436 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-08 18:22:23,437 INFO L435 NwaCegarLoop]: 2014 mSDtfsCounter, 1618 mSDsluCounter, 1603 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1618 SdHoareTripleChecker+Valid, 3617 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 18:22:23,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1618 Valid, 3617 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 18:22:23,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2324 states. [2025-03-08 18:22:23,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2324 to 2321. [2025-03-08 18:22:23,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2321 states, 1645 states have (on average 1.2942249240121582) internal successors, (2129), 1656 states have internal predecessors, (2129), 563 states have call successors, (563), 113 states have call predecessors, (563), 112 states have return successors, (561), 561 states have call predecessors, (561), 561 states have call successors, (561) [2025-03-08 18:22:23,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2321 states to 2321 states and 3253 transitions. [2025-03-08 18:22:23,533 INFO L78 Accepts]: Start accepts. Automaton has 2321 states and 3253 transitions. Word has length 23 [2025-03-08 18:22:23,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:22:23,533 INFO L471 AbstractCegarLoop]: Abstraction has 2321 states and 3253 transitions. [2025-03-08 18:22:23,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-08 18:22:23,533 INFO L276 IsEmpty]: Start isEmpty. Operand 2321 states and 3253 transitions. [2025-03-08 18:22:23,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-03-08 18:22:23,536 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:22:23,536 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:22:23,548 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 18:22:23,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:22:23,737 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:22:23,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:22:23,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1274479784, now seen corresponding path program 1 times [2025-03-08 18:22:23,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:22:23,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044969303] [2025-03-08 18:22:23,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:22:23,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:22:25,014 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-08 18:22:25,051 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-08 18:22:25,052 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:22:25,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:22:25,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 18:22:25,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:22:25,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044969303] [2025-03-08 18:22:25,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044969303] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:22:25,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094058168] [2025-03-08 18:22:25,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:22:25,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:22:25,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:22:25,401 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:22:25,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 18:22:27,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-08 18:22:27,461 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-08 18:22:27,461 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:22:27,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:22:27,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 2107 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-08 18:22:27,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:22:27,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 18:22:27,559 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 18:22:27,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 18:22:27,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094058168] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 18:22:27,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 18:22:27,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-03-08 18:22:27,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91010573] [2025-03-08 18:22:27,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 18:22:27,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 18:22:27,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:22:27,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 18:22:27,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-08 18:22:27,833 INFO L87 Difference]: Start difference. First operand 2321 states and 3253 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-03-08 18:22:28,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:22:28,447 INFO L93 Difference]: Finished difference Result 4642 states and 6508 transitions. [2025-03-08 18:22:28,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 18:22:28,448 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 43 [2025-03-08 18:22:28,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:22:28,459 INFO L225 Difference]: With dead ends: 4642 [2025-03-08 18:22:28,460 INFO L226 Difference]: Without dead ends: 2327 [2025-03-08 18:22:28,467 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-08 18:22:28,469 INFO L435 NwaCegarLoop]: 1621 mSDtfsCounter, 2 mSDsluCounter, 3236 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4857 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-08 18:22:28,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4857 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-08 18:22:28,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2327 states. [2025-03-08 18:22:28,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2327 to 2327. [2025-03-08 18:22:28,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2327 states, 1651 states have (on average 1.2931556632344035) internal successors, (2135), 1662 states have internal predecessors, (2135), 563 states have call successors, (563), 113 states have call predecessors, (563), 112 states have return successors, (561), 561 states have call predecessors, (561), 561 states have call successors, (561) [2025-03-08 18:22:28,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 2327 states and 3259 transitions. [2025-03-08 18:22:28,564 INFO L78 Accepts]: Start accepts. Automaton has 2327 states and 3259 transitions. Word has length 43 [2025-03-08 18:22:28,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:22:28,564 INFO L471 AbstractCegarLoop]: Abstraction has 2327 states and 3259 transitions. [2025-03-08 18:22:28,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-03-08 18:22:28,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2327 states and 3259 transitions. [2025-03-08 18:22:28,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-03-08 18:22:28,567 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:22:28,567 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:22:28,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-08 18:22:28,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2025-03-08 18:22:28,768 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:22:28,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:22:28,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1478969838, now seen corresponding path program 2 times [2025-03-08 18:22:28,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:22:28,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230158631] [2025-03-08 18:22:28,769 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-08 18:22:28,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:22:30,004 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 49 statements into 2 equivalence classes. [2025-03-08 18:22:30,049 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 41 of 49 statements. [2025-03-08 18:22:30,050 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-08 18:22:30,050 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:22:30,520 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-08 18:22:30,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:22:30,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230158631] [2025-03-08 18:22:30,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230158631] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:22:30,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 18:22:30,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 18:22:30,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954551612] [2025-03-08 18:22:30,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:22:30,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 18:22:30,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:22:30,521 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 18:22:30,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 18:22:30,522 INFO L87 Difference]: Start difference. First operand 2327 states and 3259 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-08 18:22:31,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:22:31,174 INFO L93 Difference]: Finished difference Result 4562 states and 6385 transitions. [2025-03-08 18:22:31,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 18:22:31,174 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2025-03-08 18:22:31,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:22:31,193 INFO L225 Difference]: With dead ends: 4562 [2025-03-08 18:22:31,193 INFO L226 Difference]: Without dead ends: 2254 [2025-03-08 18:22:31,201 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 18:22:31,202 INFO L435 NwaCegarLoop]: 1620 mSDtfsCounter, 0 mSDsluCounter, 4852 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6472 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-08 18:22:31,202 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6472 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-08 18:22:31,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2254 states. [2025-03-08 18:22:31,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2254 to 2254. [2025-03-08 18:22:31,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2254 states, 1603 states have (on average 1.2925764192139737) internal successors, (2072), 1613 states have internal predecessors, (2072), 538 states have call successors, (538), 113 states have call predecessors, (538), 112 states have return successors, (536), 536 states have call predecessors, (536), 536 states have call successors, (536) [2025-03-08 18:22:31,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 2254 states and 3146 transitions. [2025-03-08 18:22:31,305 INFO L78 Accepts]: Start accepts. Automaton has 2254 states and 3146 transitions. Word has length 49 [2025-03-08 18:22:31,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:22:31,306 INFO L471 AbstractCegarLoop]: Abstraction has 2254 states and 3146 transitions. [2025-03-08 18:22:31,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-08 18:22:31,307 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 3146 transitions. [2025-03-08 18:22:31,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-03-08 18:22:31,310 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:22:31,310 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:22:31,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 18:22:31,310 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:22:31,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:22:31,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1229721303, now seen corresponding path program 1 times [2025-03-08 18:22:31,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:22:31,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011447918] [2025-03-08 18:22:31,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:22:31,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:22:32,591 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-08 18:22:32,636 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-08 18:22:32,636 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:22:32,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:22:33,135 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 18:22:33,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:22:33,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011447918] [2025-03-08 18:22:33,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011447918] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:22:33,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729984418] [2025-03-08 18:22:33,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:22:33,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:22:33,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:22:33,138 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:22:33,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 18:22:34,847 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-08 18:22:35,031 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-08 18:22:35,032 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:22:35,032 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:22:35,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 2161 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-08 18:22:35,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:22:35,170 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 18:22:35,170 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 18:22:35,777 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 18:22:35,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729984418] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 18:22:35,778 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 18:22:35,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2025-03-08 18:22:35,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470241819] [2025-03-08 18:22:35,778 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 18:22:35,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-08 18:22:35,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:22:35,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-08 18:22:35,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-03-08 18:22:35,779 INFO L87 Difference]: Start difference. First operand 2254 states and 3146 transitions. Second operand has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 13 states have internal predecessors, (63), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-03-08 18:22:36,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:22:36,665 INFO L93 Difference]: Finished difference Result 4508 states and 6297 transitions. [2025-03-08 18:22:36,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-08 18:22:36,665 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 13 states have internal predecessors, (63), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 51 [2025-03-08 18:22:36,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:22:36,705 INFO L225 Difference]: With dead ends: 4508 [2025-03-08 18:22:36,706 INFO L226 Difference]: Without dead ends: 2266 [2025-03-08 18:22:36,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-03-08 18:22:36,710 INFO L435 NwaCegarLoop]: 1621 mSDtfsCounter, 2 mSDsluCounter, 6472 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8093 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-08 18:22:36,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8093 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-08 18:22:36,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2266 states. [2025-03-08 18:22:36,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2266 to 2266. [2025-03-08 18:22:36,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2266 states, 1615 states have (on average 1.2904024767801858) internal successors, (2084), 1625 states have internal predecessors, (2084), 538 states have call successors, (538), 113 states have call predecessors, (538), 112 states have return successors, (536), 536 states have call predecessors, (536), 536 states have call successors, (536) [2025-03-08 18:22:36,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2266 states to 2266 states and 3158 transitions. [2025-03-08 18:22:36,775 INFO L78 Accepts]: Start accepts. Automaton has 2266 states and 3158 transitions. Word has length 51 [2025-03-08 18:22:36,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:22:36,777 INFO L471 AbstractCegarLoop]: Abstraction has 2266 states and 3158 transitions. [2025-03-08 18:22:36,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 13 states have internal predecessors, (63), 1 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-03-08 18:22:36,777 INFO L276 IsEmpty]: Start isEmpty. Operand 2266 states and 3158 transitions. [2025-03-08 18:22:36,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-03-08 18:22:36,778 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:22:36,778 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:22:36,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-08 18:22:36,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:22:36,979 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:22:36,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:22:36,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1029186357, now seen corresponding path program 2 times [2025-03-08 18:22:36,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:22:36,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518551726] [2025-03-08 18:22:36,980 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-08 18:22:36,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:22:38,201 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 63 statements into 2 equivalence classes. [2025-03-08 18:22:38,237 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 43 of 63 statements. [2025-03-08 18:22:38,237 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-08 18:22:38,237 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:22:38,610 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2025-03-08 18:22:38,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:22:38,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518551726] [2025-03-08 18:22:38,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518551726] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:22:38,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 18:22:38,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-08 18:22:38,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572303406] [2025-03-08 18:22:38,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:22:38,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-08 18:22:38,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:22:38,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-08 18:22:38,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 18:22:38,612 INFO L87 Difference]: Start difference. First operand 2266 states and 3158 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-08 18:22:42,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 18:22:51,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:22:51,764 INFO L93 Difference]: Finished difference Result 3433 states and 4792 transitions. [2025-03-08 18:22:51,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-08 18:22:51,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 63 [2025-03-08 18:22:51,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:22:51,783 INFO L225 Difference]: With dead ends: 3433 [2025-03-08 18:22:51,783 INFO L226 Difference]: Without dead ends: 3430 [2025-03-08 18:22:51,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-08 18:22:51,786 INFO L435 NwaCegarLoop]: 3125 mSDtfsCounter, 3102 mSDsluCounter, 2526 mSDsCounter, 0 mSdLazyCounter, 1166 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3102 SdHoareTripleChecker+Valid, 5651 SdHoareTripleChecker+Invalid, 1169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1166 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2025-03-08 18:22:51,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3102 Valid, 5651 Invalid, 1169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1166 Invalid, 1 Unknown, 0 Unchecked, 12.9s Time] [2025-03-08 18:22:51,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3430 states. [2025-03-08 18:22:51,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3430 to 3419. [2025-03-08 18:22:51,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3419 states, 2432 states have (on average 1.292763157894737) internal successors, (3144), 2448 states have internal predecessors, (3144), 818 states have call successors, (818), 169 states have call predecessors, (818), 168 states have return successors, (818), 815 states have call predecessors, (818), 816 states have call successors, (818) [2025-03-08 18:22:51,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3419 states to 3419 states and 4780 transitions. [2025-03-08 18:22:51,928 INFO L78 Accepts]: Start accepts. Automaton has 3419 states and 4780 transitions. Word has length 63 [2025-03-08 18:22:51,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:22:51,929 INFO L471 AbstractCegarLoop]: Abstraction has 3419 states and 4780 transitions. [2025-03-08 18:22:51,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 3 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-08 18:22:51,930 INFO L276 IsEmpty]: Start isEmpty. Operand 3419 states and 4780 transitions. [2025-03-08 18:22:51,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-03-08 18:22:51,932 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:22:51,933 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:22:51,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-08 18:22:51,933 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:22:51,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:22:51,933 INFO L85 PathProgramCache]: Analyzing trace with hash -854523519, now seen corresponding path program 1 times [2025-03-08 18:22:51,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:22:51,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953933135] [2025-03-08 18:22:51,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:22:51,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:22:53,285 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-03-08 18:22:53,319 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-03-08 18:22:53,320 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:22:53,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:22:53,715 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2025-03-08 18:22:53,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:22:53,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953933135] [2025-03-08 18:22:53,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953933135] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:22:53,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 18:22:53,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 18:22:53,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767435380] [2025-03-08 18:22:53,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:22:53,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 18:22:53,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:22:53,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 18:22:53,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 18:22:53,717 INFO L87 Difference]: Start difference. First operand 3419 states and 4780 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-08 18:22:54,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:22:54,435 INFO L93 Difference]: Finished difference Result 5735 states and 8032 transitions. [2025-03-08 18:22:54,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 18:22:54,435 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 72 [2025-03-08 18:22:54,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:22:54,449 INFO L225 Difference]: With dead ends: 5735 [2025-03-08 18:22:54,450 INFO L226 Difference]: Without dead ends: 3419 [2025-03-08 18:22:54,455 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 18:22:54,456 INFO L435 NwaCegarLoop]: 1622 mSDtfsCounter, 0 mSDsluCounter, 4854 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6476 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-08 18:22:54,456 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6476 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-08 18:22:54,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3419 states. [2025-03-08 18:22:54,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3419 to 3419. [2025-03-08 18:22:54,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3419 states, 2432 states have (on average 1.2919407894736843) internal successors, (3142), 2448 states have internal predecessors, (3142), 818 states have call successors, (818), 169 states have call predecessors, (818), 168 states have return successors, (818), 815 states have call predecessors, (818), 816 states have call successors, (818) [2025-03-08 18:22:54,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3419 states to 3419 states and 4778 transitions. [2025-03-08 18:22:54,661 INFO L78 Accepts]: Start accepts. Automaton has 3419 states and 4778 transitions. Word has length 72 [2025-03-08 18:22:54,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:22:54,666 INFO L471 AbstractCegarLoop]: Abstraction has 3419 states and 4778 transitions. [2025-03-08 18:22:54,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-08 18:22:54,666 INFO L276 IsEmpty]: Start isEmpty. Operand 3419 states and 4778 transitions. [2025-03-08 18:22:54,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-03-08 18:22:54,668 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:22:54,668 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:22:54,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-08 18:22:54,668 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:22:54,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:22:54,675 INFO L85 PathProgramCache]: Analyzing trace with hash -101501883, now seen corresponding path program 1 times [2025-03-08 18:22:54,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:22:54,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955742903] [2025-03-08 18:22:54,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:22:54,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:22:56,035 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-08 18:22:56,081 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-08 18:22:56,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:22:56,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:22:57,614 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 18:22:57,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:22:57,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955742903] [2025-03-08 18:22:57,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955742903] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:22:57,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980527602] [2025-03-08 18:22:57,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:22:57,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:22:57,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:22:57,616 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:22:57,617 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-08 18:22:59,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-08 18:22:59,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-08 18:22:59,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:22:59,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:22:59,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 2298 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-08 18:22:59,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:23:00,134 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 18:23:00,134 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 18:23:02,474 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 18:23:02,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980527602] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 18:23:02,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 18:23:02,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2025-03-08 18:23:02,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506704875] [2025-03-08 18:23:02,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 18:23:02,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-03-08 18:23:02,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:23:02,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-03-08 18:23:02,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2025-03-08 18:23:02,476 INFO L87 Difference]: Start difference. First operand 3419 states and 4778 transitions. Second operand has 25 states, 25 states have (on average 4.28) internal successors, (107), 25 states have internal predecessors, (107), 1 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2025-03-08 18:23:03,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:23:03,404 INFO L93 Difference]: Finished difference Result 6838 states and 9567 transitions. [2025-03-08 18:23:03,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-08 18:23:03,405 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 4.28) internal successors, (107), 25 states have internal predecessors, (107), 1 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 81 [2025-03-08 18:23:03,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:23:03,422 INFO L225 Difference]: With dead ends: 6838 [2025-03-08 18:23:03,422 INFO L226 Difference]: Without dead ends: 3443 [2025-03-08 18:23:03,430 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2025-03-08 18:23:03,431 INFO L435 NwaCegarLoop]: 1621 mSDtfsCounter, 2 mSDsluCounter, 4854 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6475 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-08 18:23:03,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6475 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-08 18:23:03,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3443 states. [2025-03-08 18:23:03,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3443 to 3443. [2025-03-08 18:23:03,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3443 states, 2456 states have (on average 1.2890879478827362) internal successors, (3166), 2472 states have internal predecessors, (3166), 818 states have call successors, (818), 169 states have call predecessors, (818), 168 states have return successors, (818), 815 states have call predecessors, (818), 816 states have call successors, (818) [2025-03-08 18:23:03,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3443 states to 3443 states and 4802 transitions. [2025-03-08 18:23:03,526 INFO L78 Accepts]: Start accepts. Automaton has 3443 states and 4802 transitions. Word has length 81 [2025-03-08 18:23:03,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:23:03,526 INFO L471 AbstractCegarLoop]: Abstraction has 3443 states and 4802 transitions. [2025-03-08 18:23:03,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.28) internal successors, (107), 25 states have internal predecessors, (107), 1 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2025-03-08 18:23:03,527 INFO L276 IsEmpty]: Start isEmpty. Operand 3443 states and 4802 transitions. [2025-03-08 18:23:03,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-03-08 18:23:03,532 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:23:03,532 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:23:03,543 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-08 18:23:03,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:23:03,732 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:23:03,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:23:03,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1005857885, now seen corresponding path program 2 times [2025-03-08 18:23:03,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:23:03,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901553706] [2025-03-08 18:23:03,733 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-08 18:23:03,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:23:05,076 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 105 statements into 2 equivalence classes. [2025-03-08 18:23:05,178 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 61 of 105 statements. [2025-03-08 18:23:05,178 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-08 18:23:05,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:23:06,578 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2025-03-08 18:23:06,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:23:06,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901553706] [2025-03-08 18:23:06,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901553706] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:23:06,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 18:23:06,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-08 18:23:06,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000771731] [2025-03-08 18:23:06,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:23:06,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 18:23:06,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:23:06,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 18:23:06,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-08 18:23:06,580 INFO L87 Difference]: Start difference. First operand 3443 states and 4802 transitions. Second operand has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-08 18:23:13,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:23:13,403 INFO L93 Difference]: Finished difference Result 7905 states and 11041 transitions. [2025-03-08 18:23:13,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-08 18:23:13,404 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) Word has length 105 [2025-03-08 18:23:13,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:23:13,423 INFO L225 Difference]: With dead ends: 7905 [2025-03-08 18:23:13,423 INFO L226 Difference]: Without dead ends: 4517 [2025-03-08 18:23:13,431 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2025-03-08 18:23:13,432 INFO L435 NwaCegarLoop]: 2505 mSDtfsCounter, 1618 mSDsluCounter, 10929 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1619 SdHoareTripleChecker+Valid, 13434 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2025-03-08 18:23:13,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1619 Valid, 13434 Invalid, 800 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 797 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2025-03-08 18:23:13,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4517 states. [2025-03-08 18:23:13,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4517 to 4513. [2025-03-08 18:23:13,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4513 states, 3215 states have (on average 1.2892690513219285) internal successors, (4145), 3237 states have internal predecessors, (4145), 1072 states have call successors, (1072), 225 states have call predecessors, (1072), 225 states have return successors, (1072), 1068 states have call predecessors, (1072), 1070 states have call successors, (1072) [2025-03-08 18:23:13,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4513 states to 4513 states and 6289 transitions. [2025-03-08 18:23:13,583 INFO L78 Accepts]: Start accepts. Automaton has 4513 states and 6289 transitions. Word has length 105 [2025-03-08 18:23:13,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:23:13,584 INFO L471 AbstractCegarLoop]: Abstraction has 4513 states and 6289 transitions. [2025-03-08 18:23:13,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.333333333333334) internal successors, (50), 7 states have internal predecessors, (50), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-08 18:23:13,584 INFO L276 IsEmpty]: Start isEmpty. Operand 4513 states and 6289 transitions. [2025-03-08 18:23:13,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-03-08 18:23:13,587 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:23:13,587 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:23:13,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-08 18:23:13,587 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:23:13,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:23:13,588 INFO L85 PathProgramCache]: Analyzing trace with hash 2087562977, now seen corresponding path program 1 times [2025-03-08 18:23:13,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:23:13,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792959958] [2025-03-08 18:23:13,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:23:13,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:23:14,854 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-08 18:23:14,899 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-08 18:23:14,899 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:23:14,899 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:23:19,245 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 18:23:19,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:23:19,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792959958] [2025-03-08 18:23:19,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792959958] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:23:19,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452695620] [2025-03-08 18:23:19,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:23:19,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:23:19,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:23:19,248 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:23:19,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-08 18:23:21,232 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-03-08 18:23:21,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-03-08 18:23:21,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:23:21,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:23:21,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 2480 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-08 18:23:21,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:23:22,144 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 18:23:22,144 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 18:23:28,068 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 484 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-08 18:23:28,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452695620] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 18:23:28,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 18:23:28,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 35 [2025-03-08 18:23:28,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407135375] [2025-03-08 18:23:28,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 18:23:28,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2025-03-08 18:23:28,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:23:28,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2025-03-08 18:23:28,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=595, Invalid=595, Unknown=0, NotChecked=0, Total=1190 [2025-03-08 18:23:28,070 INFO L87 Difference]: Start difference. First operand 4513 states and 6289 transitions. Second operand has 35 states, 35 states have (on average 3.8) internal successors, (133), 35 states have internal predecessors, (133), 1 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2025-03-08 18:23:29,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:23:29,162 INFO L93 Difference]: Finished difference Result 8998 states and 12559 transitions. [2025-03-08 18:23:29,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-03-08 18:23:29,162 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.8) internal successors, (133), 35 states have internal predecessors, (133), 1 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 107 [2025-03-08 18:23:29,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:23:29,187 INFO L225 Difference]: With dead ends: 8998 [2025-03-08 18:23:29,187 INFO L226 Difference]: Without dead ends: 4533 [2025-03-08 18:23:29,198 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 190 SyntacticMatches, 14 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=595, Invalid=595, Unknown=0, NotChecked=0, Total=1190 [2025-03-08 18:23:29,199 INFO L435 NwaCegarLoop]: 1621 mSDtfsCounter, 1 mSDsluCounter, 3236 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4857 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-08 18:23:29,199 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4857 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-08 18:23:29,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4533 states. [2025-03-08 18:23:29,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4533 to 4533. [2025-03-08 18:23:29,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4533 states, 3235 states have (on average 1.2874806800618237) internal successors, (4165), 3257 states have internal predecessors, (4165), 1072 states have call successors, (1072), 225 states have call predecessors, (1072), 225 states have return successors, (1072), 1068 states have call predecessors, (1072), 1070 states have call successors, (1072) [2025-03-08 18:23:29,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4533 states to 4533 states and 6309 transitions. [2025-03-08 18:23:29,335 INFO L78 Accepts]: Start accepts. Automaton has 4533 states and 6309 transitions. Word has length 107 [2025-03-08 18:23:29,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:23:29,336 INFO L471 AbstractCegarLoop]: Abstraction has 4533 states and 6309 transitions. [2025-03-08 18:23:29,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 3.8) internal successors, (133), 35 states have internal predecessors, (133), 1 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2025-03-08 18:23:29,336 INFO L276 IsEmpty]: Start isEmpty. Operand 4533 states and 6309 transitions. [2025-03-08 18:23:29,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-03-08 18:23:29,339 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:23:29,339 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:23:29,354 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-08 18:23:29,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-08 18:23:29,540 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:23:29,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:23:29,541 INFO L85 PathProgramCache]: Analyzing trace with hash -525191435, now seen corresponding path program 2 times [2025-03-08 18:23:29,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:23:29,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066315393] [2025-03-08 18:23:29,541 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-08 18:23:29,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:23:30,975 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 127 statements into 2 equivalence classes. [2025-03-08 18:23:31,007 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 63 of 127 statements. [2025-03-08 18:23:31,007 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-08 18:23:31,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat